Panasonic Viera DS Series TV Systems first Impression at the European . 4K LED Smart iDTV THCXH 50 inch 4K LED Smart iDTV THCXH. Panasonic's TCCXU Veira TV is one of the company's most affordable and economical models for With this in mind, buyers. Television. Type. plasma TV. Video Interface. HDMI, S-Video, component, composite. HDMI Ports Qty. 3. Diagonal Class. 50 in. Diagonal Class (metric). g: 50CXH.